20297247

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6841}}^1$

素因数の和:6910

約数の個数: 16

約数和(自身を含む): 28900608

約数和(自身を除く): 8603361

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6841, 20523, 157343, 294163, 472029, 882489, 6765749, 20297247]

約数ペア:

[(1, 20297247), (3, 6765749), (23, 882489), (43, 472029), (69, 294163), (129, 157343), (989, 20523), (2967, 6841)]